UK371 ESTER JACOBA
Fishing vessel · Netherlands · built 1991 · AIS Class A
In short
UK371 ESTER JACOBA (Fishing vessel, Netherlands flag) was last seen on AIS on , under way at 2.9 kn, in the North Sea. Its last detected port call was at Den Helder: arrived Sep 30, 2026, left Oct 5, 2026.
- Vessel type
- Fishing vessel
- Flag
- Netherlands
- Year built
- 1991
- Gross tonnage
- —
- Size (length × beam)
- —
- Registered owner
- —
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Last reported position
received- Position
- 53.4785° N, 5.4535° E
- Area
- North Sea
- StatusWhat do AIS statuses mean?
- Undefined
- Speed
- 2.9 kn
- Course
- 67°
- Heading
- 66°
Last 30 days: at least 12 port calls (Den Helder, Wieringen/Den Oever, Katwijk aan den Rijn, Noordwijk aan Zee, Schoorl, Camperduin, and Molengat).
Port calls are detected by Voydar from AIS (at least 30 minutes slow inside a harbour area); see Port calls below.
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Try the live demo, no sign-upIdentity & particulars
- Name
- UK371 ESTER JACOBA
- IMO numberWhat is an IMO number?
- 8571524
- MMSIWhat is an MMSI?
- 244100829
- Call signWhat is a call sign?
- PBKX
- Flag
- Netherlands
- Vessel type
- Fishing vessel
- AIS ship type
- Fishing
- Gross tonnageGross tonnage vs deadweight
- —
- Length overall
- —
- Beam
- —
- Year built
- 1991
NetherlandsA tag next to a value names the register that supplied it (hover or tap it for the record and date). Values without a tag come from the ship's own AIS broadcasts or from Wikidata. Position and identity are derived live from AIS.
Ownership & management
Each line shows where the fact comes from. Links backed by an identifier point to the company page.
No owner, operator or manager is recorded for this vessel yet.
Timeline
Dated events for this ship from every source Voydar holds, newest first. Each line names its source; derived items say how they were derived.
| Date | Event | Source |
|---|---|---|
| Left Den HelderAIS-detected | Voydar port-call detector (AIS geofence) | |
| Arrived at Den HelderAIS-detected | Voydar port-call detector (AIS geofence) | |
| Left Wieringen/Den OeverAIS-detected | Voydar port-call detector (AIS geofence) | |
| Arrived at Wieringen/Den OeverAIS-detected | Voydar port-call detector (AIS geofence) | |
| Left Katwijk aan den RijnAIS-detected | Voydar port-call detector (AIS geofence) | |
| Arrived at Katwijk aan den RijnAIS-detected | Voydar port-call detector (AIS geofence) |
Owner, operator and manager changes found by comparing yearly EU MRV reports are dated to the reporting year ("during 2025"), not to a day. Port calls here are the most recent only; the full lists are further down.
Port calls
Two kinds of evidence, kept apart: calls Voydar detected from the ship's AIS positions, and arrivals and departures published by port authorities and customs records.
Detected from AIS AIS-detected
| Port | Arrived | Departed | Time in port |
|---|---|---|---|
| Den Helder NLDHR | Sep 30, 2026, 09:56 UTC | Oct 5, 2026, 00:41 UTC | 4 d 14 h |
| Wieringen/Den Oever NLWRG | Sep 24, 2026, 06:19 UTC | Sep 24, 2026, 08:49 UTC | 2 h 30 min |
| Katwijk aan den Rijn NLKWR | Sep 21, 2026, 03:52 UTC | Sep 21, 2026, 04:45 UTC | 53 min |
| Noordwijk aan Zee NLNDL | Sep 21, 2026, 03:21 UTC | Sep 21, 2026, 03:52 UTC | 31 min |
| Noordwijk aan Zee NLNDL | Sep 17, 2026, 01:46 UTC | Sep 17, 2026, 06:27 UTC | 4 h 41 min |
| Noordwijk aan Zee NLNDL | Sep 16, 2026, 07:19 UTC | Sep 17, 2026, 01:46 UTC | 18 h 27 min |
| Noordwijk aan Zee NLNDL | Sep 16, 2026, 05:41 UTC | Sep 16, 2026, 07:15 UTC | 1 h 34 min |
| Noordwijk aan Zee NLNDL | Sep 15, 2026, 18:47 UTC | Sep 16, 2026, 01:38 UTC | 6 h 51 min |
| Noordwijk aan Zee NLNDL | Sep 14, 2026, 10:15 UTC | Sep 15, 2026, 16:40 UTC | 30 h 24 min |
| Schoorl NLSRL | Sep 8, 2026, 21:56 UTC | Sep 8, 2026, 23:05 UTC | 1 h 9 min |
| Camperduin NLCPD | Sep 8, 2026, 21:08 UTC | Sep 8, 2026, 21:56 UTC | 48 min |
| Molengat NLMGT | Sep 8, 2026, 16:58 UTC | Sep 8, 2026, 20:55 UTC | 3 h 57 min |
Detected by Voydar when the ship's AIS positions stayed slow inside a harbour area. Calls shorter than 30 minutes are not shown. Depends on AIS reception; detection started on June 8, 2026.
Frequently asked questions
- Where is UK371 ESTER JACOBA now?
- UK371 ESTER JACOBA (Fishing vessel, Netherlands flag) was last seen on AIS on Oct 6, 2026, 12:06 UTC, under way at 2.9 kn, in the North Sea.
- What kind of ship is UK371 ESTER JACOBA?
- UK371 ESTER JACOBA is a fishing vessel sailing under the flag of Netherlands, built in 1991.
- What sanctions and inspection records does Voydar hold for UK371 ESTER JACOBA?
- Voydar has no matched sanctions record displayed for UK371 ESTER JACOBA from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for UK371 ESTER JACOBA. Missing records do not establish whether the ship has been detained.
Neighbouring IMO numbers
IMO numbers are issued in sequence. These are the nearest numbers below and above this ship's that have a full Voydar profile.
Use this data
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